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Senior Mobile Developer (React Native)

00069647191

Senior Mobile Developer (React Native)

About the role

As a Senior Mobile Developer (React Native), you will make an impact by designing, developing, and maintaining high-quality mobile and web applications that deliver exceptional user experiences. You will be a valued member of the engineering team and work collaboratively with Product Managers, UX Designers, Backend Developers, and other cross-functional stakeholders to deliver scalable digital solutions.

In this role, you will:

  • Develop and maintain mobile applications using React Native and web applications using React.js.
  • Design and implement reusable, scalable, and maintainable frontend architectures and components.
  • Integrate APIs and networking services while ensuring reliability, security, and optimal performance.
  • Collaborate with cross-functional teams to translate business requirements into technical solutions.
  • Participate in code reviews, testing, Agile ceremonies, and continuous improvement initiatives to promote engineering excellence.

Work model

This is a hybrid position requiring 2 days per week in a client office in São Paulo, Brazil. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.

What you need to have to be considered

  • Advanced English proficiency, with the ability to communicate effectively in global teams.
  • 5+ years of hands-on experience developing applications with React.js.
  • Proven experience building and maintaining mobile applications using React Native.
  • Strong understanding of API integration, networking libraries, authentication mechanisms, and error handling.
  • Experience with Git-based development workflows, CI/CD pipelines, and collaborative engineering practices.
  • Knowledge of modern software engineering principles, secure coding practices, and frontend architecture patterns.
  • Experience working within Agile environments and distributed or hybrid teams.

These will help you stand out

  • Experience with Swift and native iOS development.
  • Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
  • React Developer certification or similar frontend development certifications.
  • Cloud platform certifications or mobile development certifications.
  • Experience with application performance tuning and scalable frontend/mobile architectures.
  • Strong understanding of automated testing frameworks and quality engineering practices.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

About Cognizant: 
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.

Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Language requirements vary depending on roles, but we ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you’ll deliver services to and collaborate with stakeholders outside the province who may not speak French.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, provincial or local laws.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.

Benefits that help you thrive and grow

Our benefits program is built with you in mind—so you can enjoy a fulfilling, balanced and healthy life.

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Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include financial education, a pension plan with matching contributions, etc.

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Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more. 

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Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations—and build the skills you need to grow your career.

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Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

Your path to Cognizant

Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.

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Step 1: Apply to the right opportunity

Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.

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Step 2: Connect with your recruiter

If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.

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Step 3: Show off your skills

If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.

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Step 4: Decision time

Our team will then review each candidates’ potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us—but you can count on us to keep you updated.

CAN Brigitte
Cognizant is great for those wanting to make the world a better place, as we create solutions with top technology partners to address complex problems for our clients.
Brigitte Roy Director of Strategy Alliances
CAN Rahul
I’m supported by motivational leaders who empower me to grow in my career through learning programs, industry conferences and internal job moves. I’m proud of the career progression I’m making here.
Rahul Sathe Principal Product Architect – Insurance
Can Amita
The moment I joined Cognizant, I felt like I belonged. I was heard and empowered to challenge ideas—and I still am to this day.
Dr. Amita Oppal Gill Service Line Sales Manager
1 (2)
Cognizant has one of the best learning ecosystems you can ask for. From sponsored certifications to training platforms to mentorship, we have all that we need to grow.
Debashish Mishra SAP MM Developer

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